function UserAttribute() {
};

UserAttribute.instance = function() {
  return { trackId: MiscUtils.unique(),
           pEnabled: 0,
           vEnabled: 0,
           mEnabled: 0,
           pWedding: 0,
           pPrewedding: 0,
           pPortrait: 0,
           pEngagement: 0,
           vWedding: 0,
           vPrewedding: 0,
           vPortrait: 0,
           vEngagement: 0,
           mHouse: 0,
           mStudio: 0,
           mFullDay: 0
         }
};
